package org.richin.net.HTML.util;

/**
 * Copyright 2004 The Apache Software Foundation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import java.util.Collections;
import java.util.HashSet;
import java.util.Set;

public final class Tags {

	/**
	 * contains all tags for which whitespaces have to be inserted for proper
	 * tokenization
	 */
	public static final Set WS_ELEMS = Collections
			.synchronizedSet(new HashSet());

	static {
		WS_ELEMS.add("<hr");
		WS_ELEMS.add("<hr/"); // note that "<hr />" does not need to be listed
								// explicitly
		WS_ELEMS.add("<br");
		WS_ELEMS.add("<br/");
		WS_ELEMS.add("<p");
		WS_ELEMS.add("</p");
		WS_ELEMS.add("<div");
		WS_ELEMS.add("</div");
		WS_ELEMS.add("<td");
		WS_ELEMS.add("</td");
		WS_ELEMS.add("<li");
		WS_ELEMS.add("</li");
		WS_ELEMS.add("<q");
		WS_ELEMS.add("</q");
		WS_ELEMS.add("<blockquote");
		WS_ELEMS.add("</blockquote");
		WS_ELEMS.add("<dt");
		WS_ELEMS.add("</dt");
		WS_ELEMS.add("<h1");
		WS_ELEMS.add("</h1");
		WS_ELEMS.add("<h2");
		WS_ELEMS.add("</h2");
		WS_ELEMS.add("<h3");
		WS_ELEMS.add("</h3");
		WS_ELEMS.add("<h4");
		WS_ELEMS.add("</h4");
		WS_ELEMS.add("<h5");
		WS_ELEMS.add("</h5");
		WS_ELEMS.add("<h6");
		WS_ELEMS.add("</h6");
	}
}
